Related Experiment Video

Updated: Aug 14, 2026

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
08:25

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling

Published on: April 7, 2015

[Septic arthritis caused by S. pneumoniae. Report of 2 cases with unusual location]

J M Ruiz Martín1, M Javaloyas de Morlius, M Admetlla Falgueras

  • 1Servicio de Medicina Interna, Hospital de Viladecans, Barcelona.

Revista Clinica Espanola
|November 6, 1998
PubMed

Insights

Pneumococcal arthritis, though rare, can occur in patients with existing health conditions. This study highlights two novel cases in the shoulder and sacroiliac joints, emphasizing the need for vigilance in at-risk individuals.

Area of Science:

  • Infectious Diseases
  • Rheumatology
  • Immunology

Background:

  • Pneumococcal arthritis, an infection of the joint caused by Streptococcus pneumoniae, is uncommon but recognized.
  • It typically affects individuals with pre-existing joint disease or compromised immune systems.
  • Risk factors for Streptococcus pneumoniae sepsis increase susceptibility.

Observation:

  • Two unique cases of pneumococcal arthritis are presented.
  • One case involved the shoulder joint in a patient with multiple myeloma.
  • The second case affected the sacroiliac joint in a patient who had undergone splenectomy.

Findings:

  • These specific joint involvements (shoulder and sacroiliac) in the context of multiple myeloma and splenectomy represent previously undescribed associations in medical literature.
  • The findings underscore the potential for Streptococcus pneumoniae to cause arthritis in diverse and previously unreported clinical scenarios.

Implications:

  • The study emphasizes the critical importance of suspecting pneumococcal arthritis in patients presenting with risk factors for Streptococcus pneumoniae sepsis.
  • Early diagnosis and treatment are crucial for managing this rare but serious condition.
  • These cases expand the known spectrum of joint involvement in pneumococcal infections.

More Related Videos

Knee Arthrocentesis in Adults04:41

Knee Arthrocentesis in Adults

Published on: February 25, 2022

Related Concept Videos

Pneumonia I: Introduction01:30

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...